Update app.py

app.py

@@ -54,9 +54,9 @@ from sentence_transformers import SentenceTransformer
 import gradio as gr
 
 # Project imports (use helper_files package)
-from helper_files.floor_plan import create_sample_floor_plan, FloorPlan
-from helper_files.sensor_system import create_sample_fire_scenario, SensorSystem
-from helper_files.pathfinding import PathFinder
+from floor_plan import create_sample_floor_plan, FloorPlan
+from sensor_system import create_sample_fire_scenario, SensorSystem
+from pathfinding import PathFinder